Verse 56

भुवनाध्वादिरूपेण चिन्तयेत् क्रमशो ऽखिलम् ।स्थूलसूक्ष्मपरस्थित्या यावद् अन्ते मनोलयः

In plain words

Think of the whole, step by step, in the form of the path of worlds and the rest, by way of the gross, the subtle and the supreme, until at the end dissolves.